// JavaScript Document
function checkForm()
{
	var fname, femail, fphone, fmessage
	with(window.document.contactForm)
	{
		fname = Name;
		femail = Email;
		fphone = Phone;
		fmessage = Message;
	}
	
	if(trim(fname.value) == 'Name' || trim(fname.value) == '')
	{
		alert('Please enter your name.');
		fname.focus();
		return false;
	}	
	
	
	else if(trim(femail.value) == 'Email' || trim(femail.value) == '')
	{
		alert('Please enter an Email address.');
		femail.focus();
		return false;
	}
	
	else if(!isEmail(trim(femail.value)))
	{
		alert('Email address is not valid');
		femail.focus();
		return false;
	}
	
	else if(trim(fphone.value) == 'Phone' || trim(fphone.value) == '')
	{
		alert('Please enter your phone number.');
		fphone.focus();
		return false;
	}
	
	else if(trim(fmessage.value) == 'Message' || trim(fmessage.value) == '')
	{
		alert('Please enter a message.');
		fmessage.focus();
		return false;
	}
	
	else
	{
		fname.value = trim(fname.value);
		femail.value = trim(femail.value);
		fphone.value = trim(fphone.value);
		fmessage.value = trim(fmessage.value);
		return true;
	}
	
}

function trim(str)
{
	return str.replace(/^\s+|\s+$/g,'');
}

function isEmail(str)
{
	var regex = /^[-_.a-z0-9]+@(([-_a-z0-9]+\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i;

return regex.test(str);
}

function formFocus(field){
		if(field.value == "Name" || field.value == "Company Name" || field.value == "Company" ||  field.value == "Phone" || field.value == "Email" || field.value == "Message"){
			field.value = "";
		}
}

function formBlur(field){
		if(field.value == ""){
			field.value = field.name;
		}
}

function showDiv(what) {	
	var thearray= new Array("1", "14", "15", "16");
	for(i=0; i<thearray.length; i++){
      if(thearray[i] == what){
            document.getElementById(what).style.display="block";
      }else{
            document.getElementById(thearray[i]).style.display="none";
      }
   }
}


function goLastMonth(month, year) 
{ 
	// If the month is Januaru, decrement the year 
	if(month == 1) 
	{ 
		--year; 
		month = 13; 
	} 
	
	if(month <= 10){
		stMonth = "0" + (month - 1);
	} else {
		stMonth = month - 1;
	}
	
	document.location.href = '/events/14/'+stMonth+'/'+year; 
}

function goNextMonth(month, year) 
{ 
	// If the month is December, increment the year 
	if(month == 12) 
	{ 
		++year; 
		month = 0; 
	} 
	
	if (month < 9){
		stMonth = "0" + (month + 1);	
	} else {
		stMonth = month + 1;	
	}
	
	document.location.href = '/events/14/'+stMonth+'/'+year; 
}